Researchers found tumor shrinkage and arrest in patients with advanced malignancies treated with SU11248, an oral histone deacetylase inhibitor SAHA, and BAY 43-9006, targeting angiogenesis and cell growth signaling molecules. These preliminary results confirm the promise of these therapeutic approaches.
Researchers at the University of Texas M.D. Anderson Cancer Center have discovered that ARF is a crucial regulator of both cell growth and division, two critical processes in cancer development. By inhibiting B23, another protein involved in cellular growth, ARF can control the cell cycle and prevent uncontrolled cell proliferation.
Researchers discovered two new proteins, BRCC36 and RCC45, that are part of the BRCC complex and linked to sporadic breast cancers. The complex regulates DNA repair and cell division, influencing cancer susceptibility.
The BioMEMS 768 Sequencer can sequence the entire human genome in just one year, outpacing its nearest rival by seven times. The machine's new technology also reduces material costs and minimizes DNA sample requirements.
The SPORTIF III study found that oral ximelagatran was at least as effective as warfarin in reducing the frequency of stroke or systemic blood clots, with a lower risk of bleeding. Ximelagatran may offer a safer alternative to warfarin for patients with atrial fibrillation and high stroke risk.
A team of scientists has found evidence that a massive ancient meteorite struck the Earth 251 million years ago, triggering climate change and volcanic activity. This led to the extinction of nearly nine-tenths of all life on Earth.
Scientists successfully designed and built an artificial protein using a novel computational approach, opening up new possibilities for medicine and industrial applications. The achievement represents a significant breakthrough in understanding protein folding and design.
A researcher is developing photochemistry techniques that could help produce gasoline more efficiently and create new sensors for detecting pollutants. His work also has the potential to enhance the quality of microcircuitry and improve the aerospace and automobile industries.
Researchers at Purdue University have identified the molecular mechanisms responsible for shutting down floral scent after pollination, which may help improve floral scent in unscented flowers. The study found that fertilization triggers a decline in scent production and that plant hormones play a role in regulating this process.
A new hypothesis on the origin of 'junk' DNA proposes that smaller population sizes in eukaryotes lead to a weakening of natural selection's potency, allowing extraneous genetic sequences to accumulate. This theory suggests that genetic drift is responsible for preserving junk DNA and other extraneous genetic sequences in organisms.
University of Central Florida will redesign its industrial engineering curriculum to better prepare students for a corporate world where technology plays a key role. The new curriculum will feature remote laboratories and focus on leadership roles in industries like service and information technology.
Researchers at Duke University discovered that mast cells trigger both the innate and adaptive immune responses by releasing TNF, which recruits infection-fighting T-cells and induces antibody production. This finding redefines how the immune system functions and may lead to new therapeutics for disease protection.
A UCSD study of 1,049 HIV-infected children found that specific genetic mutations can affect disease progression and immune system response to the virus. Children with certain polymorphisms, such as CCR5-delta32, showed slower disease progression, while others were more susceptible to worsening symptoms.
Research suggests that GLP-1 can generate new insulin and increase the growth of new islet cells in human pancreas tissue. This treatment delayed cell death by up to 45% and improved insulin secretion in response to glucose, offering a potential therapeutic approach for Type 2 diabetes.
A recent brain-imaging study has identified specific areas of abnormal structure and function in the brains of children with ADHD, including reduced prefrontal cortex size and increased grey matter in regions controlling impulse control. The findings may help inform the development of new therapeutic agents for treating ADHD.
Scientists review state-of-the-art ground-penetrating radar methods for measuring water content in vineyard soil, offering improved precision irrigation approaches and optimizing grape crop prediction. The technology provides high-resolution information to develop uniform blocks of optimal soil properties, enhancing overall wine quality.
The U of T team has developed a technique to capture the atomic-level melting process of aluminum, revealing the solid's arrangement as it changes into a liquid. The researchers observed the transformation in real-time using laser and electron pulse technology, shedding light on the fundamental processes governing chemistry and biology.
Researchers found a marker for long-term immunity in CD8 T cells using the interleukin 7 (IL-7) receptor. This discovery can help scientists create more effective vaccines and develop new treatments for chronic viral infections and cancer.
BAY 43-9006 shows promise as a treatment for kidney cancer, with 42% of patients experiencing tumor shrinkage. The compound targets both Raf kinase and VEGFR2, inhibiting tumor growth and angiogenesis.
New class of drugs targets specific molecules within brain cancer cells, slowing growth and reducing side effects. Three drugs - ZD6474, SB431542, and AEE788 - demonstrate significant promise in treating glioblastoma and other types of brain tumors.
Researchers at Thomas Jefferson University have found that combining radiation with VEGF Trap, a protein engineered to block angiogenesis activity, can delay tumor growth by up to 40 days. The study suggests that radiation may enhance the effectiveness of VEGF Trap in treating glioblastoma, a common and aggressive brain tumor.
Researchers have found that volcanic eruptions in the tropics may play a significant role in triggering El Niño events, with a nearly one-in-two chance of occurrence after an eruption. The study used paleoclimate records to reconstruct volcanic activity and El Niño events over a 350-year period.
Researchers at Cornell University are developing tiny automated sensors that can map disaster areas, detect biohazards, and report back in real-time. The sensors use biosensors to detect toxins and bacteria, communicate using low-power radio signals, and self-configure using game theory.
Researchers have found that PARP inhibitors can protect brain cells from damage caused by insulin shock, a common complication of severe hypoglycemia. The study shows significant reductions in brain cell death when rats received PARP inhibitors after being induced into a hypoglycemic coma.
A team of researchers at Michigan State University has uncovered cliques in the food web, a complex network of interconnecting food chains. This breakthrough provides a new way to understand and manage ecosystems for sustainability.
Researchers at UT Southwestern Medical Center have found that insulin family signaling plays a critical role in male sex determination. The discovery furthers the understanding of testes formation and may lead to new treatments for reproductive disorders. Insulin-like genes, including Insl3, also play a key role in this process.
Researchers at Baylor College of Medicine have identified a novel secretory protein specific to neuroblastoma, which could provide clues to differentiating between aggressive tumors and those that are more likely to respond to treatment. Additionally, scientists have discovered selective inhibitors of key protein kinases implicated in ...
Researchers develop protein profiles to classify gliomas and predict aggressiveness with high accuracy. The 'molecular fingerprint' can help tailor treatment decisions for patients, distinguishing between aggressive and less aggressive tumors.
Climate changes impact North Atlantic right whales by affecting zooplankton abundance, a crucial food source. Warmer conditions in the Gulf of Maine boost copepod populations, leading to improved reproductive success.
A clinical study found that molecular markers can predict which head and neck cancer patients will respond better to radiotherapy. The study identified two tumor profiles with different clinical outcomes, one with a high response rate of 67% and another with a poor response rate of 37%.
Researchers at Ohio State University have developed a new muffler design that utilizes glass fiber, reducing auto noise by up to 40 decibels and improving engine performance. The design can be lighter, less prone to corrosion, and help engines work more efficiently.
A study published in Nature reveals a genetic approach that may help combat antibiotic-resistant biofilms, which are involved in 65% of human bacterial infections. The researchers identified a mutant strain of Pseudomonas aeruginosa that is more sensitive to antibiotics, providing a potential solution for diseases like cystic fibrosis.
The University of Florida's smart house utilizes computer and sensor technology to provide automatic assistance for elderly residents. The system includes devices that track movement, alert caregivers, and adjust lighting and entertainment systems, aiming to improve the quality of life for aging individuals.
AstraZeneca scientists have discovered selective and potent inhibitors of Aurora kinase activity that may have potential application in human cancer treatment. New pre-clinical research presents a combination of vascular targeting agents with EGFR tyrosine kinase inhibitors, showing greater anti-tumor activity than either agent alone.
A study published in the Journal of Policy Analysis and Management found that welfare recipients with mental health problems and substance use issues face barriers to employment. Greater proximity to service providers increased the likelihood of receiving services, particularly for those without access to automobile transportation.
The study found that large game animal populations existed in higher numbers where human populations were low, but decreased significantly near Native American settlements. Human influence on the environment has been going on for a long time, even before European settlement.
Researchers found that PABA significantly improves the effects of chemotherapy drugs and radiation on cancer cells. Additionally, FES PET imaging can predict response to endocrine therapy in breast cancer patients by measuring regional target expression.
Research at Michigan Medicine has discovered that inflammatory molecules and immune system cells play a major role in the formation of blood clots in veins, known as deep vein thrombosis (DVT). The study found that mice with high levels of P-selectin developed larger blood clots and more inflammatory cells in their vein walls.
A study of the American Stop Smoking Intervention Study (ASSIST) found that states participating in the program experienced a greater reduction in adult smoking prevalence and lower per capita cigarette consumption compared to non-participating states. If all 50 states had implemented ASSIST, an estimated 278,700 fewer smokers nationwi...
Researchers at Cornell University found that cocoa contains nearly twice the antioxidants of red wine and up to three times those found in green tea. The high content of phenolic phytochemicals, or flavonoids, is responsible for this superior antioxidant activity.
A genetic mutation that disables a protein used by HIV-1 to infect cells is prevalent in 10% of Europeans due to historical smallpox exposure. This mutation, which protects against death from smallpox, has been transferred to AIDS, slowing its progression.
Black patients with locally advanced prostate cancer may have had less access to specialized radiation therapy, which is preferred over surgery. Postmenopausal women who consume moderate amounts of alcohol may be at an increased risk for cancer due to increased blood serum levels of the fat hormone leptin.
The first human trial of a DNA Ebola vaccine opened at the NIH Clinical Center in Bethesda. Twenty-seven volunteers will receive either the investigational vaccine or a placebo injection over two months and be followed for one year.
A recent study by Margolis and Shim found that a small movement of the mechanical controls in backhoes can lead to rapid vibration, causing operators to lose control. The problem can be eliminated by stiffening the suspension of the cab or developing automatic control systems.
A six-year prospective study will investigate whether early treatment with pimecrolimus can reduce or prevent the need for corticosteroids and subsequent development of asthma. Researchers hope that effective topical treatment of eczema in its early stages may help prevent later allergic diseases, such as asthma.
Researchers at Cornell University have developed a playable nanoguitar that demonstrates the potential of tiny devices vibrating at extremely high frequencies. The device, made up of silicon strings, can produce audible tones when hit with a laser beam, offering a new approach to electronic circuit design.
Recent research suggests that at least eight central 'clock' genes coordinate cell proliferation and apoptosis in circadian time. Studies have shown that tumor growth is organized within a daily cycle, with tumors growing twice as fast during the active phase. This discovery may lead to new therapeutic targets for cancer treatment.
A study of 1,036 women with ductal carcinoma in situ (DCIS) diagnosed at age 40 or older found that those with high-nuclear-grade lesions had a higher risk of invasive cancer recurrence. Women treated by lumpectomy alone who experienced initial palpation-detected lesions also faced a greater risk of recurrence.
Concussions in sports require a collaborative approach to effective evaluation and treatment, according to Dr. Douglas McKeag. Key findings include the need for careful assessments by trained professionals and the potential for athletes to take up to seven days to recover from concussions.
A study combining behavioral family counseling and naltrexone found that men in this group were more likely to take the medication daily, leading to higher success rates. Men in individual-based treatment showed lower compliance with naltrexone, resulting in fewer days of sobriety during treatment.
A survey of injured workers found that many felt pressured to return to work quickly, leading to high levels of stress and depression. Experts recommend improving communication between employers and employees, providing counseling services, and ensuring modified work is suitable.
The new program, Women@IT, will place emphasis on attracting women from diverse backgrounds and provide tailored support for non-traditional students. The program aims to reverse the trend of a 'shrinking pipeline' of women in IT fields by providing crucial professional experiences and mentorship.
A study developed a risk index to predict mortality in heart failure patients based on demographic and vital sign features, identifying low- and high-risk individuals. The model revealed that older age, lower blood pressure, higher respiratory rate, and hyponatremia are associated with increased mortality.
Researchers found that media coverage plays a significant role in shaping voting intentions, with 26% of undecided voters switching parties. Additionally, men generally decide their party preference prior to the campaign, while women and young people make up their minds during the campaign.
A nationwide survey of US physicians found that 49% support national health insurance, while 40% oppose it. The study also revealed growing discontent among employers and the general public regarding the current healthcare system.
Hansen, executive director of On Lok since 1993, receives the award for making the replication of the innovative On Lok system possible. The prize recognizes her efforts to bridge research and practice in gerontological healthcare.
A study found that ponderosa pine and Douglas fir needles can reduce water flow erosion by up to 60% and rain-induced erosion by up to 80%. Researchers used artificial rain laboratory experiments to test the effectiveness of needle cover in preventing post-fire soil erosion.
The IU School of Medicine and Merck have partnered to establish a vaccination training program in Kenya. The program aims to enhance immunization infrastructure and reduce infant morbidity and mortality due to preventable diseases.
A study of 1,631 football players found that symptoms gradually resolved by day 7, cognitive functioning improved within 5-7 days, and balance deficits dissipated within 3-5 days after injury. However, approximately 10% of players required more than a week for symptoms to fully resolve.
Researchers found that black patients undergoing surgery had a median survival time 1.8 years less than white patients, with disparities smaller among radiation therapy and non-aggressive therapy groups. The study suggests genetic and environmental factors may contribute to these racial disparities in prostate cancer treatment outcomes.